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//find the length of the sliding bearing
clc
//solution
//given
d=25//mm/diameter
P=2500//N/force
p=5//(N/mm^2)//bearing pressure
//A=l*d =l*25//(mm^2)//projected area of bearing
//p=P/A//pressure=force/area
//therefore
l=(P/(25*5))//mm//length
printf("the required length is,%f mm",l)
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